F. Ryan Anderson, MD
NPI 1598793663 · Obstetrics & Gynecology Physician · Danville, CA
F. Ryan Anderson, MD is a Obstetrics & Gynecology Physician organization in Danville, CA (NPI 1598793663).
Provider details
- NPI number
- 1598793663
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Frederick Anderson, Md/Owner(925) 820-9898
- License
- G21295 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- F. Ryan Anderson M.D. Inc
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2009-01-16
Frequently asked questions
- What is F. Ryan Anderson, MD's NPI number?
- F. Ryan Anderson, MD's National Provider Identifier (NPI) is 1598793663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is F. Ryan Anderson, MD?
- F. Ryan Anderson, MD is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is F. Ryan Anderson, MD located?
- F. Ryan Anderson, MD's practice location on file with NPPES is 909 San Ramon Valley Blvd, Danville, CA 94526.
- What is F. Ryan Anderson, MD's phone number?
- The practice phone number listed in the NPPES registry for F. Ryan Anderson, MD is (925) 820-9898.
- Who is the authorized official for F. Ryan Anderson, MD?
- The authorized official listed on F. Ryan Anderson, MD's NPPES record is Frederick Anderson, Md/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is F. Ryan Anderson, MD's NPI active?
- Yes — F. Ryan Anderson, MD's NPI (1598793663) is active in the NPPES registry as of the last update on 2009-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.